Non OEM Cartridges and Printer Warranties
The use of remanufactured or compatible cartridges does not void your warranty as stated by the MAGNUSON-MOSS WARRANTY IMPROVEMENT ACT, United States Code Annotated Title 15 Commerce Trade Chapter 50, Consumer Product Warranties 15 Sections 2302.
Toner cartridge won't fit in printer
Make sure all plastic and paper protective coverings are removed from the new cartridge. They are usually a bright color to be more visible on new cartridges. Some toner cartridges also have clear tape on the sides that need to be removed.
Is it still good to use a toner that makes a squealing noise when printing?
If your printer is making a grinding noise, you may have a loose gear or roller in the printer. If the noises started shortly after you installed a toner cartridge, turn off the printer and pull out this toner cartridge.